Frymaster FBR18 Series User Manual

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ii 
 Temperature 
Probe ............................................................................................................ 6-3 
 
Water Level Sensors (FBRA18 Only)............................................................................... 6-3 
6.2 
Accessing the Rethermalizer for Servicing ....................................................................... 6-4 
6.3 
Cleaning the Gas Valve Vent Tube................................................................................... 6-4 
6.4 
Checking the Burner Manifold Gas Pressure .................................................................... 6-4 
6.5 
Measuring Flame Current.................................................................................................. 6-4 
6.6 Replacing 
Components...................................................................................................... 6-5 
6.6.1  Replacing the Controller or Controller Wiring Harness ................................................... 6-5 
6.6.2  Replacing the Temperature Probe ..................................................................................... 6-5 
6.6.3  Replacing the Interface Board........................................................................................... 6-5 
6.6.4  Replacing an Ignition Module........................................................................................... 6-6 
6.6.5  Replacing an Ignitor Assembly ......................................................................................... 6-6 
6.6.6 Replacing the Combustion Air Blower ............................................................................. 6-7 
6.6.7  Replacing the Gas Valve ................................................................................................... 6-7 
6.6.8  Replacing a Burner Assembly........................................................................................... 6-7 
6.6.9 Replacing the Cookpot ...................................................................................................... 6-8 
6.7 
Troubleshooting and Problem Isolation ............................................................................ 6-8 
6.7.1 Ignition Failures ................................................................................................................ 6-9 
6.7.2  Improper Burner Functioning.......................................................................................... 6-10 
6.7.3  Improper Temperature Control ....................................................................................... 6-12 
6.8 Troubleshooting 
Guides .................................................................................................. 6-12 
6.8.1  Troubleshooting the Gas Valve....................................................................................... 6-13 
6.8.2  Troubleshooting the 24 VAC Circuit in FBR18 Units.................................................... 6-14 
6.8.3  Troubleshooting the 24 VAC Circuit in FBRA18 Units................................................. 6-16 
6.8.4  Troubleshooting the Temperature Probe......................................................................... 6-21 
 
Probe Resistance Chart.................................................................................................... 6-22 
6.9 
Wiring Diagram for FBR18 Units................................................................................... 6-23 
6.10  Wiring Diagram for FBRA18 Units................................................................................ 6-24 
 
CHAPTER 7:  Parts List 
7.1 Burner 
System 
Components.............................................................................................. 7-1 
7.2 Cabinetry 
and 
Associated Components............................................................................. 7-2 
7.3 
Control Box Assembly and Associated Parts, FBR18/FBRA18....................................... 7-3 
7.4 
Controller and Component Box Assemblies ..................................................................... 7-4 
7.5 
Cooking Timer Control Panel Components ...................................................................... 7-5 
7.6 Cookpot, 
FBR18................................................................................................................ 7-6 
7.7 Cookpot, 
FBRA18............................................................................................................. 7-7 
7.8 
Gas Supply Components ................................................................................................... 7-8 
7.9 Plumbing 
Components ...................................................................................................... 7-9